Merge pull request '490_View_refactoring_II' (#520) from 490_View_refactoring_II into master

Reviewed-on: #520

konova/utils/generators.py

@@ -42,23 +42,24 @@ def generate_random_string(length: int, use_numbers: bool = False, use_letters_l
     ret_val = "".join(random.choice(elements) for i in range(length))
     return ret_val
 
+class IdentifierGenerator:
+    _MODEL = None
 
-def generate_qr_code(content: str, size: int = 20) -> str:
-    """ Generates a qr code from given content
+    def __init__(self, model):
+        from konova.models import BaseObject
+        if not issubclass(model, BaseObject):
+            raise AssertionError("Model must be a subclass of BaseObject!")
 
-    Args:
-        content (str): The content for the qr code
-        size (int): The image size
+        self._MODEL = model
 
-    Returns:
-        qrcode_svg (str): The qr code as svg
-    """
-    qrcode_factory = qrcode.image.svg.SvgImage
-    qrcode_img = qrcode.make(
-        content,
-        image_factory=qrcode_factory,
-        box_size=size
-    )
-    stream = BytesIO()
-    qrcode_img.save(stream)
-    return stream.getvalue().decode()
+    def generate_id(self) -> str:
+        """ Generates a unique identifier
+
+        Returns:
+
+        """
+        unpersisted_object = self._MODEL()
+        identifier = unpersisted_object.generate_new_identifier()
+        while self._MODEL.objects.filter(identifier=identifier).exists():
+            identifier = unpersisted_object.generate_new_identifier()
+        return identifier

konova/utils/qrcode.py

@@ -0,0 +1,47 @@
+"""
+Author: Michel Peltriaux
+Created on: 14.12.25
+
+"""
+from io import BytesIO
+
+import qrcode
+import qrcode.image.svg as svg
+
+
+class QrCode:
+    """ A wrapping class for creating a qr code with content
+
+    """
+    _content = None
+    _img = None
+
+    def __init__(self, content: str, size: int):
+        self._content = content
+        self._img = self._generate_qr_code(content, size)
+
+    def _generate_qr_code(self, content: str, size: int = 20) -> str:
+        """ Generates a qr code from given content
+
+        Args:
+            content (str): The content for the qr code
+            size (int): The image size
+
+        Returns:
+            qrcode_svg (str): The qr code as svg
+        """
+        img_factory = svg.SvgImage
+        qrcode_img = qrcode.make(
+            content,
+            image_factory=img_factory,
+            box_size=size
+        )
+        stream = BytesIO()
+        qrcode_img.save(stream)
+        return stream.getvalue().decode()
+
+    def get_img(self):
+        return self._img
+
+    def get_content(self):
+        return self._content

konova/views/detail.py

@@ -0,0 +1,25 @@
+"""
+Author: Michel Peltriaux
+Created on: 14.12.25
+
+"""
+from abc import ABC
+
+from django.contrib.auth.mixins import LoginRequiredMixin
+from django.http import HttpRequest, HttpResponse
+from django.utils.decorators import method_decorator
+from django.views import View
+
+from konova.decorators import uuid_required, any_group_check
+
+
+class AbstractDetailView(LoginRequiredMixin, View, ABC):
+    _TEMPLATE = None
+
+    @method_decorator(uuid_required)
+    def dispatch(self, request, *args, **kwargs):
+        return super().dispatch(request, *args, **kwargs)
+
+    @method_decorator(any_group_check)
+    def get(self, request: HttpRequest, id: str, *args, **kwargs) -> HttpResponse:
+        raise NotImplementedError()

konova/views/identifier.py

@@ -0,0 +1,28 @@
+"""
+Author: Michel Peltriaux
+Created on: 14.12.25
+
+"""
+from abc import ABC
+
+from django.contrib.auth.mixins import LoginRequiredMixin
+from django.http import HttpRequest, JsonResponse
+from django.utils.decorators import method_decorator
+from django.views import View
+
+from konova.decorators import default_group_required
+from konova.utils.generators import IdentifierGenerator
+
+
+class AbstractIdentifierGeneratorView(LoginRequiredMixin, View, ABC):
+    _MODEL = None
+
+    @method_decorator(default_group_required)
+    def get(self, request: HttpRequest, *args, **kwargs):
+        generator = IdentifierGenerator(model=self._MODEL)
+        identifier = generator.generate_id()
+        return JsonResponse(
+            data={
+                "gen_data": identifier
+            }
+        )

konova/views/index.py

@@ -0,0 +1,21 @@
+"""
+Author: Michel Peltriaux
+Created on: 14.12.25
+
+"""
+from abc import ABC
+
+from django.contrib.auth.mixins import LoginRequiredMixin
+from django.http import HttpRequest, HttpResponse
+from django.utils.decorators import method_decorator
+from django.views import View
+
+from konova.decorators import any_group_check
+
+
+class AbstractIndexView(LoginRequiredMixin, View, ABC):
+    _TEMPLATE = "generic_index.html"
+
+    @method_decorator(any_group_check)
+    def get(self, request: HttpRequest, *args, **kwargs) -> HttpResponse:
+        raise NotImplementedError()

konova/views/remove.py

@@ -0,0 +1,64 @@
+"""
+Author: Michel Peltriaux
+Created on: 14.12.25
+
+"""
+from abc import ABC
+
+from django.contrib.auth.mixins import LoginRequiredMixin
+from django.http import HttpRequest, HttpResponse
+from django.urls import reverse
+from django.utils.decorators import method_decorator
+from django.views import View
+from django.utils.translation import gettext_lazy as _
+
+from konova.decorators import default_group_required
+from konova.forms.modals import RemoveModalForm
+
+
+class AbstractRemoveView(LoginRequiredMixin, View, ABC):
+    _MODEL = None
+    _REDIRECT_URL = None
+    _FORM = RemoveModalForm
+
+    def dispatch(self, request, *args, **kwargs):
+        return super().dispatch(request, *args, **kwargs)
+
+    @method_decorator(default_group_required)
+    def __process_request(self, request: HttpRequest, id: str, *args, **kwargs) -> HttpResponse:
+        obj = self._MODEL.objects.get(id=id)
+        identifier = obj.identifier
+        form = self._FORM(request.POST or None, instance=obj, request=request)
+        return form.process_request(
+            request,
+            _("{} removed").format(identifier),
+            redirect_url=reverse(self._REDIRECT_URL)
+        )
+
+    def get(self, request: HttpRequest, id: str, *args, **kwargs) -> HttpResponse:
+        """ GET endpoint for removing via modal form
+
+        Due to the legacy logic of the form (which processes get and post requests directly), we simply need to pipe
+        the request from GET and POST endpoints directly into the same method.
+
+        Args:
+            request (HttpRequest): The incoming request
+            id (str): The uuid id as string
+
+        Returns:
+        """
+        return self.__process_request(request, id, *args, **kwargs)
+
+    def post(self, request: HttpRequest, id: str, *args, **kwargs) -> HttpResponse:
+        """  POST endpoint for removing via modal form
+
+        Due to the legacy logic of the form (which processes get and post requests directly), we simply need to pipe
+        the request from GET and POST endpoints directly into the same method.
+
+        Args:
+            request (HttpRequest): The incoming request
+            id (str): The uuid id as string
+
+        Returns:
+        """
+        return self.__process_request(request, id, *args, **kwargs)

konova/views/report.py

@@ -0,0 +1,24 @@
+"""
+Author: Michel Peltriaux
+Created on: 14.12.25
+
+"""
+from abc import abstractmethod, ABC
+
+from django.http import HttpRequest, HttpResponse
+from django.utils.decorators import method_decorator
+from django.views import View
+
+from konova.decorators import uuid_required
+
+
+class AbstractPublicReportView(View, ABC):
+    _TEMPLATE = None
+
+    @method_decorator(uuid_required)
+    def dispatch(self, request, *args, **kwargs):
+        return super().dispatch(request, *args, **kwargs)
+
+    @abstractmethod
+    def get(self, request: HttpRequest, id: str, *args, **kwargs) -> HttpResponse:
+        raise NotImplementedError()